Quarter	US dollars
1999-09-30	3135
1999-12-31	3200
2000-03-31	3931
2000-06-30	3099
2000-09-30	3535
2000-12-31	3385
2001-03-31	3581
2001-06-30	3127
2001-09-30	4301
2001-12-31	4894
2002-03-31	6514
2002-06-30	7667
2002-09-30	7334
2002-12-31	8286
2003-03-31	8137
2003-06-30	7988
2003-09-30	8548
2003-12-31	8967
2004-03-31	9623
2004-06-30	11033
2004-09-30	12306